There are 12 US Post Offices in Elk County serving a total of 31,801 residents equating to 2,650 residents per post office. It's estimated that approximately 50,758 packages are handled across the 12 county post offices annually. Elk County is a county located in the U.S. state of Pennsylvania. As of the 2010 census, the population was 31,946. Its county seat is Ridgway. The county was created on April 18, 1843, from parts of Jefferson, Clearfield and McKean Counties, and is named for the Eastern elk that historically inhabited the region."